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Finding the Fourth Proportional to 665,391.96, 998,483.22 and 244,963.08

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Solution

The fourth proportional to 665,391.96, 998,483.22 and 244,963.08 is: 367,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,391.96 : 998,483.22 = 244,963.08 : x
  2. Step 2: Convert to fraction form
    665,391.96/998,483.22 = 244,963.08/x
  3. Step 3: Cross multiply
    665,391.96x = 998,483.22 × 244,963.08
  4. Step 4: Simplify right side
    665,391.96x = 244,591,524,899.52
  5. Step 5: Solve for x
    x = 244,591,524,899.52/665,391.96
  6. Step 6: Final answer
    x = 367,590.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.